NCO Cyber Olympiad (SOF) Class 7: Questions 141  144 of 417
Access detailed explanations (illustrated with images and videos) to 417 questions. Access all new questions we will add tracking exampattern and syllabus changes. Unlimited Access for Unlimited Time! View Sample Explanation or View Features.
Rs. 300.00 or
How to register?
Question number: 141
» Mental Ability » Basic Algebra
Question
If and be any two rational numbers then we define:
Thus, subtracting a rational number means adding its additive inverse. Based on the statement given above solve the following Problem: Subtract from .
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 142
» Non Verbal Reasoning » Cubes and Dices
Question
Two positions of a dice are shown below. When there are 3 circles at the button, the number of circles at the button will be
Choices
Choice (4)  Response  

a.  4  
b.  5  
c.  6  
d.  1 
Question number: 143
» Mental Ability » Basic Statistics
Question
Match the following.
ListⅠ  ListⅡ 
(A) Circumcenter  (i) The point at which the altitudes of a triangle meet 
(B) In Centre  (ii) The point at which the three angle bisectors of a triangle meet 
(C) Centroid  (iii) The point of intersection of the perpendicular of the sides of a triangle 
(D) Orthocenter  (iv) The point at which the medians of a triangle meet 
Choices
Choice (4)  Response  

 
a. 
 
b. 
 
c. 
 
d. 

Question number: 144
» Mental Ability » Basic Arithmetic
Question
A train 600 meters long is running at a speed of If it crosses a tunnel in 1 minute, then the length of the tunnel (in meters) is.
Choices
Choice (4)  Response  

a.  130  
b.  360  
c.  300  
d.  500 